diff --git a/modules/core/src/ocl.cpp b/modules/core/src/ocl.cpp
index 9192af8e8779c03bdf76fe76f26be7fb0348caa8..68eee1f02bd3c9ed3cae12e060aabb963c27fcf7 100644
--- a/modules/core/src/ocl.cpp
+++ b/modules/core/src/ocl.cpp
@@ -3959,7 +3959,6 @@ public:
             u->markDeviceMemMapped(false);
             CV_Assert( (retval = clEnqueueUnmapMemObject(q,
                                 (cl_mem)u->handle, u->data, 0, 0, 0)) == CL_SUCCESS );
-            CV_OclDbgAssert(clFinish(q) == CL_SUCCESS);
             u->data = 0;
         }
         else if( u->copyOnMap() && u->deviceCopyObsolete() )